I would pretty much change my whole life, just for something new, meaning I would go back in time and reverse every major decision made by me or my parents.
If you could travel to the future to see what is coming, how far into it would you travel and what would you want to see?

if you could have a prehensile tail, even though other humans did not, would you go for it?

“71-hour Ahmed was not superstitious. He was substitious, which put him in a minority among humans. He didn't believe in the things everyone believed in but which nevertheless weren't true. He believed instead in the things that were true in which no one else believed.” -Terry Pratchett